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Writing a **percentage **as a **decimal** is very useful for quick percentage calculations. For example 32% of 420 is calculated by 0.32 x 420. On this page you will learn how to answer questions like:

- What is 20% as a decimal?
- What is 125% as a decimal?

This slide show will show how, and why, we can write a percentage as a decimal:

- Study converting percents to decimalsRead about how to convert a percent to a decimal number at mathsisfun.com, then try a few problems on your own.

Changing a percentage to a decimal number is a simple as taking off the percent sign and moving the decimal point two places to the left! For example, 32.8% = .328, and 29% = .29!

**Study and practice**

- Download a percent-to-decimal conversion worksheetDesign and print a percent-to-decimal conversion worksheet at math-aids.com. (Under "Types of Conversion Problems", tick "Percent to Decimal.")

- Free Math Help ForumOnline 24/7 maths assistance for all levels of maths.
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